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Search results for 'Blaha'

April 11, 2013

Graphs vs. SQL. Interview with Michael Blaha

by Roberto V. Zicari

“For traditional business applications, the schema is known in advance, so there is no need to use a graph database which has weaker enforcement of integrity. If instead, you’re dealing with at best a generic model to which it conforms, then a schema-oriented approach does not provide much. Instead a graph-oriented approach is more natural […]

March 3, 2012

Data Modeling for Analytical Data Warehouses. Interview with Michael Blaha.

by Roberto V. Zicari

“Many data warehouses contain sensitive data such as personal data. There are legal and ethical concerns with accessing such data. So the data must be secured and access controlled as well as logged for audits” — Michael Blaha. This is the third interview with our expert Dr. Michael Blaha on the topic Database Modeling. This […]

January 9, 2012

Use Cases and Database Modeling — An interview with Michael Blaha.

by Roberto V. Zicari

“ Use cases are rote work. The developer listens to business experts and slavishly write what they hear. There is little interpretation and no abstraction. There is little reconciliation of conflicting use cases. For a database project, the conceptual data model is a much more important software engineering contribution than use cases.“ — Dr. Michael […]

July 25, 2011

How good is UML for Database Design? Interview with Michael Blaha.

by Roberto V. Zicari

„ The tools are not good at taking changes to a model and generating incremental design code to alter a populated database.”— Michael Blaha The Unified Modeling Language™ – UML – is OMG’s most-used specification. UML is a de facto standard for object modeling, and it is often used for database design as well. But […]

January 31, 2008

In memory of Brian Blaha

by Roberto V. Zicari

A tragedy occured to Michael Blaha`s family,Michael is a database colleague and contributor to ODBMS.ORG. I´d thought to share this with the community. Roberto V. Zicari Brian Blaha, the son of Michael Blaha, died on July 10, 2007 after a long and brave struggle with leukemia. He was halfway through his doctoral work in Computer […]

May 4, 2015

On Graph Databases. Interview with Emil Eifrem

by Roberto V. Zicari

“The IoT will have many, many trillions of connections, particularly considering it’s not just the devices that are connected, but people, organizations, applications, and the underlying network” –Emil Eifrem. I have interviewed Emil Eifrem, CEO of Neo Technology. Among the topics we discussed: Graph Databases, the new release of Neo4j, and how graphs relate to […]

September 1, 2013

On Linked Data. Interview with John Goodwin.

by Roberto V. Zicari

“Semantic technologies may be unfamiliar, but when you have used them for a while you will realise they are no harder than many other technologies…in fact I would argue they are easier.”– John Goodwin. On the topics of Semantic web technologies, ontology engineering, and linked data, I have interviewed John Goodwin. John is Principal Scientist […]

May 13, 2013

On Hybrid Relational Databases. Interview with Kingsley Uyi Idehen

by Roberto V. Zicari

“The only obstacle to Semantic Web technologies in the enterprise lies in better articulation of the value proposition in a manner that reflects the concerns of enterprises. For instance, the non disruptive nature of Semantic Web technologies with regards to all enterprise data integration and virtualization initiatives has to be the focal point” –K​ingsley Uyi […]

January 25, 2011

Agile data modeling and databases.

by Roberto V. Zicari

In a previous interview with our expert Dr. Michael Blaha, we talked about Patterns of Data Modeling. This is a follow up interview with Dr. Blaha on a related topic: Agile data modeling and databases. RVZ Q1. Many developers are familiar with the notion of agile programming. What is the main promise of agile programming? […]

November 22, 2010

Why Patterns of Data Modeling?

by Roberto V. Zicari

I published another chapter of the new book on “Patterns of Data Modeling” of Dr. Michael Blaha. All together you can now download three chapters of the book: Tree Template, Models, and Universal Antipatterns. At the same time, I asked Dr. Blaha a few questions. At the end of the interview you`ll find some more […]